Company hub
DeepSeek
Every release, deal and policy move from DeepSeek — updated daily.
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2026 Open-Weight LLMs: Efficiency Wins Over Scale
Chinese labs are redefining open-weight LLMs in 2026 with MoE architectures that deliver massive performance using far fewer active parameters. Learn how this shifts deployment economics for AI agents and coding workflows.
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Model chronicle · DeepSeek
DeepSeek-V4.1-Flash
api-docs.deepseek.com (source, opens in a new tab)DeepSeek-V4-Pro (GA)
api-docs.deepseek.com (source, opens in a new tab)DeepSeek-V4-Flash
api-docs.deepseek.com (source, opens in a new tab)DeepSeek-V4 (Pro & Flash preview)
V4-Pro and V4-Flash preview with a million-token context; legacy deepseek-chat/reasoner retired.
deepseek.com (source, opens in a new tab)DeepSeek-V3.2
api-docs.deepseek.com (source, opens in a new tab)DeepSeek-V3.2-Exp
api-docs.deepseek.com (source, opens in a new tab)DeepSeek-V3.1-Terminus
api-docs.deepseek.com (source, opens in a new tab)DeepSeek-V3.1
api-docs.deepseek.com (source, opens in a new tab)DeepSeek-R1-0528
api-docs.deepseek.com (source, opens in a new tab)DeepSeek-V3-0324
api-docs.deepseek.com (source, opens in a new tab)
Sources: company announcements & release notes.
Fact box
- HQ
- Hangzhou, China
- Founded
- 2023
- CEO
- Liang Wenfeng
- Valuation
- >$50B post-money (Jun 2026, reported)
- Core products
- DeepSeek-V4 · DeepSeek-R1 · DeepSeek Chat · API
- Latest round
- ¥50B+ First external round · Jun 2026
- Stories
- 73
Sources: deepseek.com, reuters.com
Latest on X
DeepSeek · @deepseek_ai
🚀 Introducing DeepInfer, our in-house inference framework, now fully open source! Powering DeepSeek-V4.1-Flash at scale with high throughput and low latency. We’re sharing our production stack to help the community lower compute costs, reduce energy use, and make AI more
🚀 DeepSeek-V4.1-Flash-1017 is here! Stronger benchmark performance, faster task completion, and shorter outputs than the previous version—a Pareto improvement in performance and cost. Now live on our website, app, and API. 🛠️ Optimized for @DeepSeekHarness, Tencent CodeBuddy,
Please check out @DeepSeekHarness. We just released packaged desktop versions for macOS and Windows; Linux users can get it from the @deepseek-ai/dsh package on npm.
🚀 Introducing DeepSeek-V4.1-Flash: smarter, faster, more efficient. 🔹 Introducing the smallest model in our new architecture family, with native visual understanding. 🔹 Designed for greater capability, faster inference, higher throughput, and scaling to larger models. 1/6
DeepSeek-V4-Flash-Vision-Exp is now live on the DeepSeek API Platform! 🚀 🔹 This experimental multimodal model matches DeepSeek-V4-Flash on text capabilities—including agents, reasoning, and world knowledge. 🔹 On multimodal agent benchmarks, V4-Flash-Vision-Exp makes a major
Editor's picks
Deals & funding
DeepSeek · rounds, valuations, partners, acquisitions · $7.4B raised in tracked primary rounds
Funding
DeepSeek closes first external round of over $7B
Per The Information via Reuters: >¥50B (~$7.4B) at a post-money valuation above $50B, with an unusual deal structure.
reuters.com (source, opens in a new tab)
All 1 rounds & deals as a table · 1 funding, 0 partnerships, 0 acquisitions
| Date | Event | Type | Counterparty / round | Amount | Valuation | Source |
|---|---|---|---|---|---|---|
| Jun 16, 2026 | DeepSeek closes first external round of over $7B Per The Information via Reuters: >¥50B (~$7.4B) at a post-money valuation above $50B, with an unusual deal structure. | Funding | First external round | ¥50B+ | $50B | reuters.com |
Sources: press reports.
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DeepSeek Rolls Out Limited Native AI Voice Chat Test
DeepSeek is testing native AI voice chat in its mobile app with four TTS voices and speaker controls.…
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DeepSeek V4.1 Flash Analysis: Speed, Cost & TCO Insights
DeepSeek V4.1 Flash targets extreme inference speed and cost-efficiency. Our analysis covers benchmarks, MoE architecture, vLLM compatibility, and…
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DeepSeek V4-Flash-Vision-Exp: Flash-Speed Vision API
DeepSeek launches V4-Flash-Vision-Exp, a low-latency multimodal model for OCR, document understanding, and visual QA. Review TCO factors, benchmarks,…
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DeepSeek Files API: Anthropic Compatibility Without Code Changes
DeepSeek’s new Files API mirrors Anthropic’s schema for seamless document uploads and RAG workflows. Switch providers with zero…
Business
Studies
- LLM Reviewers Send 76% of Published Top-Journal Papers Back, Yet Miss Most Planted FlawsOct 23
- Only One AI Agent Beats Researchers’ Own Code on Most FrontierCS 2 TasksOct 22
- Chunked KV Compression Creates Periodic Blind Spots Up to 40 Points WideOct 19
- DeepSeek-V4.1-Flash Shrinks Always-On KV Cache to 890 Bytes per TokenOct 19
Infrastructure
More stories
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Gemini 3.5 Pro Delay: Google Faces Performance Bottlenecks
Google delays Gemini 3.5 Pro rollout to resolve performance issues amid rising competition from optimized Chinese models like Qwen and DeepSeek. Learn how this impacts enterprise…
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DeepSeek-V3.2 vs ChatGPT-5.2: Clinical Reasoning Analysis
A multicenter study evaluates DeepSeek-V3.2 against ChatGPT-5.2 on real outpatient diagnosis and treatment. Discover key differences in accuracy, costs, latency, and deployment for health IT leaders.…
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DeepSeek V4 on B.AI: Flash & Pro Models Explained
B.AI now supports DeepSeek-V4-Flash and DeepSeek-V4-Pro for latency-sensitive crypto and AI workloads. Review the benefits, gaps in specs, and infrastructure impact. Explore the guide.
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China’s Open-Source AI Ecosystem: Insights & Challenges
Explore China’s maturing open-source AI ecosystem, featuring models like Qwen and DeepSeek. Learn about licensing hurdles, parallel standards, and why global developers must navigate this landscape.…
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DeepSeek-OCR 2: Advanced OCR for Complex Layouts
Discover DeepSeek AI’s open-source DeepSeek-OCR 2, featuring the Causal Visual Flow Encoder for superior handling of tables, forms, and multi-column documents. Explore its impact on automation…
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Samsung Bixby Update: Integrating Perplexity & DeepSeek LLMs
Discover how Samsung is revitalizing Bixby in One UI 8.5 by incorporating third-party LLMs from Perplexity and DeepSeek for enhanced web searches, reasoning, and more. Explore…
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DeepSeek mHC: Stabilizing Deep AI Model Training
DeepSeek’s mHC method revives a 1967 algorithm to enforce doubly stochastic constraints on hyper-connections, preventing signal explosion in deep LLMs. This lightweight technique enhances training stability…
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Chinese Open-Weight AI Models: Efficiency & Global Impact
Explore the surge of Chinese open-weight AI models like Qwen, GLM, and DeepSeek, offering top performance at lower costs through MoE and quantization. Learn about challenges…
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Chinese Open-Source AI Rise: Qwen & DeepSeek Lead Globally
Discover how China’s open-source AI models like Alibaba’s Qwen and DeepSeek now power 30% of global usage, offering top performance at lower costs. Explore impacts on…
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Gemini vs DeepSeek: AI Model Choices in 2025
Explore the 2025 AI landscape where Google Gemini leads in seamless integration for everyday use, while DeepSeek delivers up to 90% cost savings for developers and…
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DeepSeek-V3.2: Efficient MoE Models for Agentic AI
Explore DeepSeek-V3.2, a new Mixture-of-Experts model family designed for practical agentic workflows. Featuring native reasoning, tool-use integration, and innovative sparse attention for cost-effective long-context tasks. Discover…
Models & specs
DeepSeek · context window, max output, API price, modalities, knowledge cutoff, license
| Model | Released | Context | Max output | Price in / out (per 1M) | Modalities | Knowledge cutoff | License / access | Spec source |
|---|---|---|---|---|---|---|---|---|
| DeepSeek-V4.1-Flash | Sep 10, 2026 | 1M | 384K | $0.3 / $1.2 cached $0.006 Peak price; off-peak 50% lower. Served as deepseek-flash. | Text, image in → text out | — | Open weights | api-docs.deepseek.com |
| DeepSeek-V4-Pro (GA) | Aug 13, 2026 | 1M | 384K | $1.32 / $3.96 cached $0.044 Peak price; off-peak 50% lower (0.66/1.98). | Text in → text out | — | Open weights | api-docs.deepseek.com |
| DeepSeek-V4-Flash | Jul 31, 2026 | — | — | — | — | — | — | api-docs.deepseek.com |
| DeepSeek-V4 (Pro & Flash preview) DeepSeek-V4-Pro, DeepSeek-V4-Flash (preview) | Apr 24, 2026 | 1M | — | open weights | Text in → text out | — | Open weights | deepseek.com |
| DeepSeek-V3.2 | Dec 1, 2025 | — | — | — | — | — | — | api-docs.deepseek.com |
| DeepSeek-V3.2-Exp | Sep 29, 2025 | — | — | — | — | — | — | api-docs.deepseek.com |
| DeepSeek-V3.1-Terminus | Sep 22, 2025 | — | — | — | — | — | — | api-docs.deepseek.com |
| DeepSeek-V3.1 | Aug 21, 2025 | 128K | — | open weights | Text in → text out | — | Open weights, MIT 671B total / 37B active (MoE) | api-docs.deepseek.com |
| DeepSeek-R1-0528 | May 28, 2025 | — | — | — | — | — | — | api-docs.deepseek.com |
| DeepSeek-V3-0324 | Mar 24, 2025 | — | — | — | — | — | — | api-docs.deepseek.com |
Sources: company announcements & release notes. Prices = standard API list price in USD per 1M tokens at time of release or current docs; batch is typically 50% off.